Inventor
Difei Tang
Inventor
Beijing, CN
Overview
Patents· 5 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Lprimary
H04LTransmission of digital information, e.g. telegraphic communication26%
H04WWireless communication networks26%
H04BTransmission21%
H04MTelephonic communication21%
G01CMeasuring distances, levels or bearings5%
PatentTitleYear
10,764,715Mobile device communication202010,085,129Mobile device communication20189,654,207'Modifying mobile device operation using proximity relationships'20178,838,152'Modifying mobile device operation using proximity relationships'20147,751,971'Location mapping for key-point based services'2010Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2010–2017Patents assigned to MICROSOFT CORP (3)· patent assignee history
2010–2020Based in Beijing, CN· patent location history
2014Patents assigned to JI XU (1)· patent assignee history
2014Patents assigned to LEW SIN (1)· patent assignee history
2014Patents assigned to LIEW WEI HUN (1)· patent assignee history
2017–2020Patents assigned to MICROSOFT TECHNOLOGY LICENSING LLC (3)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MICROSOFT CORP | 3 | 2010–2017 |
| MICROSOFT TECHNOLOGY LICENSING LLC | 3 | 2017–2020 |
| JI XU | 1 | 2014 |
| LEW SIN | 1 | 2014 |
| LIEW WEI HUN | 1 | 2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Beijing, CN | 5 | 2010–2020 |